Patents by Inventor Yung-Fa Cheng
Yung-Fa Cheng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7767922Abstract: An exemplary key module includes a elastic assembly, a light guide plate, and a key cap. The elastic assembly is including a flat plate and a resilient member. The light guide plate is defining at least one through hole for the resilient member to extend through. The light guide plate is disposed above and in parallel to the flat plate. The key cap is resiliently supported by the resilient member. The light guide plate transmits light through at least a portion of the key cap.Type: GrantFiled: September 1, 2008Date of Patent: August 3, 2010Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Yung-Fa Cheng, Kuo-Hsiang Wu
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Patent number: 7701717Abstract: A notebook computer includes a heat-generating component, a keyboard frame made of a heat conductive material and a heat pipe having an evaporator and a condenser. The evaporator of the heat pipe is in thermal communication with the heat-generating component and the condenser is attached to the keyboard frame and away from the heat-generating component.Type: GrantFiled: July 9, 2008Date of Patent: April 20, 2010Assignee: Foxconn Technology Co., Ltd.Inventors: Nien-Tien Cheng, Yung-Fa Cheng, Rung-An Chen, Cheng-Jen Liang, Ching-Bai Hwang
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Patent number: 7656659Abstract: A notebook computer (1000) includes a base (100), a cover (300), a computer printed circuit board (PCB) (200) and a centrifugal fan (40). The cover covers the base, and cooperates with the base to form a receiving space (500) therebetween. The computer PCB is received in the receiving space and mounted on the base. The centrifugal fan is received in the receiving space, and includes a stator (401) and an impeller (402), rotatable with respect to the stator. The stator includes a motor (415) and a fan PCB (405) directly attached to the base. The motor electrically connects to the fan PCB. When the impeller rotates, airflow enters the receiving space through top and bottom air inlets (304, 104). The fan PCB is integrally formed with the computer PCB and has a height less than the computer PCB.Type: GrantFiled: September 23, 2008Date of Patent: February 2, 2010Assignees: Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Foxconn Technology Co., Ltd.Inventors: Nien-Tien Cheng, Yung-Fa Cheng, Ching-Bai Hwang, Zhi-Hui Zhao, Rung-An Chen
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Publication number: 20090288936Abstract: An exemplary key module includes a elastic assembly, a light guide plate, and a key cap. The elastic assembly is including a flat plate and a resilient member. The light guide plate is defining at least one through hole for the resilient member to extend through. The light guide plate is disposed above and in parallel to the flat plate. The key cap is resiliently supported by the resilient member. The light guide plate transmits light through at least a portion of the key cap.Type: ApplicationFiled: September 1, 2008Publication date: November 26, 2009Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Yung-Fa Cheng, Kuo-Hsiang Wu
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Publication number: 20090284912Abstract: A notebook computer (1000) includes a base (100), a cover (300), a computer printed circuit board (PCB) (200) and a centrifugal fan (40). The cover covers the base, and cooperates with the base to form a receiving space (500) therebetween. The computer PCB is received in the receiving space and mounted on the base. The centrifugal fan is received in the receiving space, and includes a stator (401) and an impeller (402), rotatable with respect to the stator. The stator includes a motor (415) and a fan PCB (405) directly attached to the base. The motor electrically connects to the fan PCB. When the impeller rotates, airflow enters the receiving space through top and bottom air inlets (304,104). The fan PCB is integrally formed with the computer PCB and has a height less than the computer PCB.Type: ApplicationFiled: September 23, 2008Publication date: November 19, 2009Applicants: FU ZHUN PRECISION INDUSTRY (SHEN ZHEN) CO., LTD., FOXCONN TECHNOLOGY CO., LTD.Inventors: NIEN-TIEN CHENG, YUNG-FA CHENG, CHING-BAI HWANG, ZHI-HUI ZHAO, RUNG-AN CHEN
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Publication number: 20090268392Abstract: A notebook computer includes a heat-generating component, a keyboard frame made of a heat conductive material and a heat pipe having an evaporator and a condenser. The evaporator of the heat pipe is in thermal communication with the heat-generating component and the condenser is attached to the keyboard frame and away from the heat-generating component.Type: ApplicationFiled: July 9, 2008Publication date: October 29, 2009Applicant: FOXCONN TECHNOLOGY CO., LTD.Inventors: NIEN-TIEN CHENG, YUNG-FA CHENG, RUNG-AN CHEN, CHENG-JEN LIANG, CHING-BAI HWANG
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Publication number: 20080239726Abstract: The present invention relates to a LED projection lamp for stage use which is of low energy consumption and high stability, wherein the light emission of LED is controlled by program, a fresnel lens is provided in front of the LED so as to project a geometrical figure in certain distance, which is of long lifetime and high reliability. The present invention comprises a lamp body, wherein the lamp body is provided with a program control PCB, the program control PCB is electrically connected to a LED panel, the LED panel is provided on the lamp body, a fresnel lens is provided in the front portion of the lamp body. With the present invention, a geometrical figure can be obtained in a certain distance. The present invention is of simple configuration and high stability.Type: ApplicationFiled: September 24, 2007Publication date: October 2, 2008Inventor: Yung-Fa Cheng
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Patent number: 7328050Abstract: A mobile communication device has a main body, a display unit, an input unit. The display unit is pivotally connected with the body unit by a joint, which is located on a rim of the display unit. The input unit has a lower input module and an upper input module. The lower input module is disposed on the main body. The upper input module is pivotally connected with the lower input module by a joint, located on a rim of both the upper input module and the lower input module.Type: GrantFiled: July 26, 2005Date of Patent: February 5, 2008Assignee: Quanta Computer Inc.Inventors: Yung-Fa Cheng, Hsiang-Lung Kao
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Publication number: 20080014999Abstract: A hand held apparatus includes a base, a foldable cover, a positioning seat, an elastic surface and a cam. The positioning seat is mounted on the base. The elastic surface is mounted on the base. The cam is mounted on the foldable cover and touches the elastic surface. The cam further has a positioning pin at one end thereof, and the positioning pin is pivotally coupled to the positioning seat, such that the foldable cover has the ability to be elastically rotated relative to the base.Type: ApplicationFiled: November 28, 2006Publication date: January 17, 2008Applicant: Quanta Computer Inc.Inventors: Yung-Fa Cheng, Hsin-Hung Chen
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Patent number: 7228111Abstract: A keypad structure. A mobile phone has a casing and an elastic sheet. The casing includes a plurality of resilient cantilever arms and a plurality of protrusions formed on the plurality of resilient cantilever arms. The elastic sheet includes a plurality of keypad buttons to press the plurality of resilient cantilever arms.Type: GrantFiled: October 8, 2002Date of Patent: June 5, 2007Assignee: Quanta Computer Inc.Inventors: Yung-Fa Cheng, Hsiang-Lung Kao, Kuo-Hsiang Wu
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Publication number: 20060159506Abstract: A keypad module manufacturing method for reducing production time and enhancing yield is described. A lower substrate, with button holes and positioning holes, is manufactured. A rubber layer is formed upon the lower substrate. An upper substrate, with buttons and a cut-away portion, is manufactured. The upper substrate is attached to the rubber layer on the lower substrate. The cut-away portion is removed from the upper substrate by laser so as to form a keypad module.Type: ApplicationFiled: July 20, 2005Publication date: July 20, 2006Inventors: Yung-Fa Cheng, Hsiang-Lung Kao
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Publication number: 20060160586Abstract: A changeable mobile phone leather cover is described. The changeable mobile phone leather cover includes a leather front cover, a flexible portion, and a leather back cover. The leather front cover and the leather back cover are made of fixing plates covered by a leather layer. The flexible portion is preferably made of the leather layer. The fixing plate further includes a plurality of fixing devices for coupling to a mobile phone fixing frame so that the changeable mobile phone leather cover can be quickly and easily installed on and removed from the mobile phone fixing frame.Type: ApplicationFiled: October 26, 2005Publication date: July 20, 2006Inventor: Yung-Fa Cheng
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Publication number: 20060160577Abstract: A mobile communication device has a main body, a display unit, an input unit. The display unit is pivotally connected with the body unit by a joint, which is located on a rim of the display unit. The input unit has a lower input module and an upper input module. The lower input module is disposed on the main body. The upper input module is pivotally connected with the lower input module by a joint, located on a rim of both the upper input module and the lower input module.Type: ApplicationFiled: July 26, 2005Publication date: July 20, 2006Inventors: Yung-Fa Cheng, Hsiang-Lung Kao
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Publication number: 20060099837Abstract: The present invention relates to a metal mobile phone case. The metal mobile phone case has an upper housing and a lower housing. Sliding-slots are on two sides of the upper housing. Sliding-blocks corresponding to the sliding-slots are on two sides of the lower housing. By inserting the sliding-blocks into the sliding-slots, the upper housing and the lower housing are assembled. The lower housing further has an antenna cavity and a battery cavity. By placing an antenna cover and a battery cover on the antenna cavity and the battery cavity respectively, the upper housing and the lower housing can further be secured.Type: ApplicationFiled: July 20, 2005Publication date: May 11, 2006Inventors: Yung-Fa Cheng, Hsiang-Lung Kao
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Patent number: 7031760Abstract: A housing of an electronic product is disclosed. The housing uses such as a battery as a key member for replacing the housing of such as a mobile phone, i.e. the housing thereof can be changed briefly after the key member is removed. The housing is mainly composed of an outer housing member, an inner housing member, an elastic member and a key member, wherein a push-button member and a background element can be installed between the outer housing member and the inner housing member. The mechanism of the housing is to insert a protrusion portion of the key member into penetrating holes of the outer and inner housing members respectively; and to insert a protrusion portion of the inner housing member into a penetrating hole of the outer housing member, for fastening the outer and inner housing members.Type: GrantFiled: July 10, 2003Date of Patent: April 18, 2006Assignee: Quanta Computer, Inc.Inventor: Yung-Fa Cheng
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Publication number: 20060066740Abstract: A mobile phone with a complete English keyboard is described. The mobile phone has a front module, a pivot and a rear module. The pivot couples the front module to the rear module. The front module further has a display, a numerical keyboard, an antenna and a battery. The rear module further has an extendable keyboard and an image sensor, e.g. a CCD sensor or a CMOS sensor. The complete English keyboard is composed of the numerical keyboard and the extendable keyboard. The extendable keyboard is revealed to input English and/or Chinese characters by rotating the front module and the rear module around the pivot.Type: ApplicationFiled: September 29, 2005Publication date: March 30, 2006Inventors: Yung-Fa Cheng, Hsiang-Lung Kao
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Patent number: 6999801Abstract: A mobile phone with base-detachable hinge structure is provided. The mobile phone compromises a base unit, a display unit, a hinge structure and a protection casing. The hinge structure, which can be attached to and detached from the base unit by means of a fixing device, is detachable from the display unit and the base unit. The design of base-detachable hinge structure in the invention facilitates the assembly and repair of the mobile phone, lest the hinge structures would be damaged during the process of disassembly resulting in discarded base units. As a result, it becomes environmentally friendly that unnecessary waste is reduced and the usefulness of the base unit improved.Type: GrantFiled: November 14, 2001Date of Patent: February 14, 2006Assignee: Quanta Computer, Inc.Inventors: Yung-Fa Cheng, Lu-Long Tsao, Kuo-Hsiang Wu
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Patent number: D621826Type: GrantFiled: December 2, 2009Date of Patent: August 17, 2010Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Yung-Fa Cheng, Hsiang-Lung Kao
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Patent number: D621828Type: GrantFiled: December 28, 2009Date of Patent: August 17, 2010Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Yung-Fa Cheng, Hsiang-Lung Kao
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Patent number: D621829Type: GrantFiled: December 28, 2009Date of Patent: August 17, 2010Assignee: Hon Hai Precision Industry Co., Ltd.Inventor: Yung-Fa Cheng